During a 5- hour, 11-minute spacewalk outside the International Space Station on August 18, Expedition 40 Flight Engineers Alexander Skvortsov and Oleg Artemyev of the Russian Federal Space Agency deployed a nanosatellite and completed work on other science hardware and experiments on the Russian segment of the ISS.

It was the 181st spacewalk in support of space station assembly and maintenance.

During a 5- hour, 11-minute spacewalk outside the International Space Station on August 18, Expedition 40 Flight Engineers Alexander Skvortsov and Oleg Artemyev of the Russian Federal Space Agency deployed a nanosatellite and completed work on other science hardware and experiments on the Russian segment of the ISS.